package JUC.JUC代码.queue;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;

//阻塞队列
public class BlockingQueueDemo {

    public static void main(String[] args) throws InterruptedException {
        //创建阻塞队列
        BlockingQueue<String> blockingQueue = new ArrayBlockingQueue<>(2);

        //第一组
//        System.out.println(blockingQueue.add("a")); // add本质是调用offer,只是多包了一层catch
//        System.out.println(blockingQueue.add("b"));
//        System.out.println(blockingQueue.add("c"));// 容量不够不会阻塞，报异常
////        //System.out.println(blockingQueue.element());
////
////        //System.out.println(blockingQueue.add("w"));
////        System.out.println(blockingQueue.remove());
////        System.out.println(blockingQueue.remove());
////        System.out.println(blockingQueue.remove());
////        System.out.println(blockingQueue.remove());

        //第二组
//        System.out.println(blockingQueue.offer("a"));
//        System.out.println(blockingQueue.offer("b"));
//        System.out.println(blockingQueue.offer("c"));
//        System.out.println(blockingQueue.offer("www"));
//
//        System.out.println(blockingQueue.poll());
//        System.out.println(blockingQueue.poll());
//        System.out.println(blockingQueue.poll());
//        System.out.println(blockingQueue.poll());

        //第三组
        blockingQueue.put("a");
        blockingQueue.put("b");
//        blockingQueue.put("c"); // 会阻塞
//        //blockingQueue.put("w");
//
        System.out.println(blockingQueue.take());
        System.out.println(blockingQueue.take());
        System.out.println(blockingQueue.take()); // 会阻塞
//        System.out.println(blockingQueue.take());

        //第四组
//        System.out.println(blockingQueue.offer("a"));
//        System.out.println(blockingQueue.offer("b"));
//        System.out.println(blockingQueue.offer("c"));
//        System.out.println(blockingQueue.offer("w",3L, TimeUnit.SECONDS));
    }
}
